The operating system of palm?sized PC,the principle of GPS and its data format NMEA?0183 were introduced. Author demonstrated how to develop a communication module with ATL technique in VC++6.0.?

• 简述了掌上型电脑(palm-sizedcomputer)操作系统WindowsCE的特点,介绍GPS的工作原理及常用数据格式NMEA-0183,详述了如何利用ATL来开发专用的小型的GPS通讯组件,以及使用这个组件在掌上型电脑和GPS接收机进行通讯操作,实现在WindowsCE下对GPS接收板数据的读取。